/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import fs from 'fs-extra'

export default function checkNotice() {
  const notice = fs.readFileSync('NOTICE').toString()
  const isMatch = /2018-(\d+)/.test(notice)
  if (!isMatch) {
    return new Error(`Could not find any date pattern`)
  }

  const [pattern, endYear] = notice.match(/2018-(\d+)/)
  const year = new Date().getFullYear()
  if (Number(endYear) !== year) {
    return new Error(`notice ${pattern} end year ${endYear} != ${year}`)
  }
}
